The best free alternative to Froala Editor is TinyMCE, which is also Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Froala Editor and 17 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Froala Editor are Trumbowyg (Free, Open Source), Editor.js (Free, Open Source), Aloha Editor (Free, Open Source) and ContentTools (Free, Open Source).
TinyMCE vs Froala Editor opinions
Most users think TinyMCE is a great alternative to Froala Editor.
It has nearly all the features of Froala, it supports image uploads with plugins, it uses inline css and has a rich pool of plugins.
Editor.js is a block-styled editor for rich media stories. It outputs clean data in JSON instead of heavy HTML-markup. And more important thing is that Editor.js is designed to be API extendable and pluggable. So there are few key features: 1. Clean data output